RUP - Software Engineering II

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By:

Bhaskar Rao.

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Introduction

History

Features

Overview

Best Practices

Building Blocks

Tools

Process Architecture

Phases

Workflows

Related Frameworks

Rational Method Composer

RUP in Industry

RUP Certification

Advantages & Disadvantages

Future

Relevance to CS577 & Conclusion

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3.

4.

1.

2.

5.

6.

What is RUP?

Iterativesoftware development process

Corporation.

framework created by the Rational Software

Why RUP?

Adaptable process framework , intended to be tailored by the development organizations and software project teams that will select the elements of the process that are appropriate for their needs.

It combines the experience base of companies to articulate 6 best practices: iterative development requirements management employment of a component-based architecture modeling software visually

Continuous verification of quality

Control change control.

Tailorable process that guides development, has tools that automate that application, & services that accelerate the adoption of those processes & tools.

Capability Patterns-Add/Remove chunks of Processes + Modify to address needs.

Ready to use Delivery Processes-quick starting point for planning & initiating a project.

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Invented by Ivar Jacobson, Grady Booch & James Rumbaugh.

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Architecture Centric with 4+1 Views of an architecture:

1.

2.

Logical: the functionality as seen by the end user

Implementation: the system as seen by the programmers

3.

4.

Process: view seen by system integrators

Deployment: view seen by system engineering to be used for installation and delivery

5.

Use-Case: the high level use-cases that drive the architecture

Use-Case-Driven

Iterative Development

Configurable

Supported by tools

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The RUP uses four elements to describe processes:

Workers – describe a role, some people have many roles.

Activities – small, definable, reusable tasks that can be allocated to a single worker.

Artifacts – usually process deliverables, like: use cases, code, plans, test cases, test results.

Workflows – coordinated sequences of activities.

There are 9 workflows, 6 engineering workflows:

Business modeling, Requirements, Development & Analysis,

Implementation. Test, Deployment.

And 3 supporting workflows:

Project management, Configuration and Change Management,

Environment.

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Kruchten gives the following proportions as typical: Inception 10%, Elaboration 30%,

Construction 50%, Transition 10%.

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Workflow

Business Modeling

Requirements

Analysis & Design

Implementation

Test

Deployment

Project Management

Configuration & Change

Management

Environment

Goal

Document business processes using business use cases.

Describe what a system should do (elicit, organize, document required functionality, constraints, track & document trade-offs & decisions).

System will be realized in implementation phase.

To define organization of code(subsystems), implement classes & objects(components), test components as units, integrate results from implementers/teams into an executable system.

Verify interaction between objects, integration of components, requirements have been correctly implemented, identify & ensure defects are addressed prior to deployment.

Producing external releases, packaging, distributing, installing, providing help & assistance to users.

Framework for managing software intensive projects, practical guidelines for staffing, executing & monitoring projects, manage risk.

Manage multiple variants of evolving software systems, tracking versions, performing builds, enforcing site-specific development policies, perform change request management.

Provide software development organization with software development environment - processes + tools to support the development Team.

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Work products involve: Iteration

Assessment, Project Measurements,

Periodic Status Assessment, Work

Order & Issues List.

RUP is like an online mentor that provides guidelines, templates, and examples for all aspects and stages of program development.

The RUP development methodology provides a structured way for companies to envision & create software programs.

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OpenUP(OpenUP): is a part of the Eclipse Process Framework source process framework developed within the

(EPF), an

Eclipse Foundation open

. Its goals are to make it easy to adopt the core of the RUP / Unified Process .

Agile UP: simplified version of the IBM Rational Unified Process developed by Scott Ambler .

[1]

(RUP)

The AUP applies agile techniques including test driven development (TDD), Agile Modeling , agile change management, and database refactoring to improve productivity.

EssUP: you can pick those practices that are applicable to your situation and combine them into your own process.

UPEDU: software development process specialized for education , developed by

Pierre-N. Robillard (École Polytechnique de Montréal), Philippe Kruchten

(Rational Software) and Patrick d'Astous (École Polytechnique de Montréal).

ITUP: knowledge base of widely accepted industry best practices and the accumulated experience from IBM 's client engagements.

Oracle Unified Method: plan-based method – that includes extensive overview material, task and artifact descriptions, and associated templates – the method is intended to be tailored to support the appropriate level of ceremony required for each project which is used by Oracle employees, customers & partner networks.

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This is a complete methodology in itself with an emphasis on accurate documentation

It is proactively able to resolve the project risks associated with the client's evolving requirements requiring careful change request management

Less time is required for integration as the process of integration goes on throughout the software development life cycle .

The development time required is less due to reuse of components.

There is online training and tutorial available for this process.

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The team members need to be expert in their field to develop a software under this methodology.

The development process is too complex and disorganized.

On cutting edge projects which utilise new technology, the reuse of components will not be possible. Hence the time saving one could have made will be impossible to fulfill.

Integration throughout the process of software development , in theory sounds a good thing. But on particularly big projects with multiple development streams it will only add to the confusion and cause more issues during the stages of testing

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Relevance:

The iterative Phases of RUP find application in ICSM Spiral Model Life-Cycle phases & milestones.

The core workflows of RUP are incorporated as activities in ICSM.

The management workflows (PM,CCM & ENV) of RUP could be incorporated in

ICSM.

The RUP related frameworks could be adopted for a particular project (domain) that plans to use ICSM.

The Best Practices upon which RUP was built are now the pillars on which ICSM rest.

Conclusion: RUP

provides

a unified Software Process Model

as a

Framework

in which

team members

have access to the

same large knowledge base of guidelines, templates, tools, and other items project

.

RUP

to ensure that they development methodology

share the same language and perspective on the provides a structured way

for

companies to envision & create software programs

. Since it

provides a specific plan for each step of the development process

, it

helps prevent resources from being wasted

and

reduces unexpected development costs

.

By incorporating many more features of RUP, ICSM can be tailored to be a better process to design Software & Systems.

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http://en.wikipedia.org/wiki/IBM_Rational_Unified_Process www.ibm.com/Rational http://ootips.org/rup.html

http://www.eweek.com/c/a/Desktops-and-Notebooks/IBM-Acquires-Rational/

Krebs, Jochen (2007-01-15). "The value of RUP certification" . IBM . http://www-

128.ibm.com/developerworks/rational/library/jan07/krebs/index.html

. Retrieved 2008-05-13.

"Spacer IBM Certified Solution Designer - IBM Rational Unified Process V7.0" . IBM . http://www-

03.ibm.com/certify/certs/38008003.shtml

. Retrieved 2008-05-13.

"Test 839: Rational Unified Process v7.0" . IBM . http://www-03.ibm.com/certify/tests/ovr839.shtml

.

Retrieved 2008-05-13.

Stephen Schach (2004). Classical and Object-Oriented Software Engineering. 6/e, WCB McGraw Hill,

New York, 2004.

Rational Unified Process white paper .

RUP Design Specifications.

RUP Best Practices for Software Development Teams.

Manager's Introduction to RUP.

Ivar Jacobson , Grady Booch , and James Rumbaugh (1999). The Unified Software Development Process

Per Kroll, Philippe Kruchten to the RUP

(2003). Rational Unified Process Made Easy, The: A Practitioner's Guide

Per Kroll, Bruce Mac Isaac (2006). Agility and Discipline Made Easy: Practices from OpenUP and RUP

Philippe Kruchten (1998). The Rational Unified Process: An Introduction

Ahmad Shuja, Jochen Krebs (2007). RUP Reference and Certification Guide

Walker Royce, Software Project Management, A Unified Framework

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